From 3c4a34e8db5057458d7590b85e9819b7b4c4a7b8 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 18 Oct 2003 06:14:59 +0000 Subject: [PATCH] Fix PR#50 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9227 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Utils/PromoteMemoryToRegister.cpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp index 1692745efef..0292f9e7705 100644 --- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp +++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp @@ -269,12 +269,12 @@ void PromoteMem2Reg::run() { // At this point, the blocks left in the preds list must have dummy // entries inserted into every PHI nodes for the block. - for (unsigned i = 0, e = PNs.size(); i != e; ++i) { - PHINode *PN = PNs[i]; - Value *NullVal = Constant::getNullValue(PN->getType()); - for (unsigned pred = 0, e = Preds.size(); pred != e; ++pred) - PN->addIncoming(NullVal, Preds[pred]); - } + for (unsigned i = 0, e = PNs.size(); i != e; ++i) + if (PHINode *PN = PNs[i]) { + Value *NullVal = Constant::getNullValue(PN->getType()); + for (unsigned pred = 0, e = Preds.size(); pred != e; ++pred) + PN->addIncoming(NullVal, Preds[pred]); + } } } }